diff --git a/src/vs/workbench/api/common/extHost.api.impl.ts b/src/vs/workbench/api/common/extHost.api.impl.ts
index 24d3391bc2c..cd38535f5f6 100644
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -183,7 +183,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const extHostWebviewViews = rpcProtocol.set(ExtHostContext.ExtHostWebviewViews, new ExtHostWebviewViews(rpcProtocol, extHostWebviews));
 	const extHostTesting = rpcProtocol.set(ExtHostContext.ExtHostTesting, new ExtHostTesting(rpcProtocol, extHostCommands));
 	const extHostUriOpeners = rpcProtocol.set(ExtHostContext.ExtHostUriOpeners, new ExtHostUriOpeners(rpcProtocol));
-	rpcProtocol.set(ExtHostContext.ExtHostInteractive, new ExtHostInteractive(rpcProtocol, extHostNotebook, extHostDocumentsAndEditors, extHostCommands));
+	rpcProtocol.set(ExtHostContext.ExtHostInteractive, new ExtHostInteractive(rpcProtocol, extHostNotebook, extHostDocumentsAndEditors, extHostCommands, extHostLogService));
 
 	// Check that no named customers are missing
 	const expected = Object.values<ProxyIdentifier<any>>(ExtHostContext);
diff --git a/src/vs/workbench/api/common/extHostInteractive.ts b/src/vs/workbench/api/common/extHostInteractive.ts
index b492b0c9ed4..b53d846c2e1 100644
--- a/src/vs/workbench/api/common/extHostInteractive.ts
+++ b/src/vs/workbench/api/common/extHostInteractive.ts
@@ -4,6 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { URI, UriComponents } from 'vs/base/common/uri';
+import { ILogService } from 'vs/platform/log/common/log';
 import { ExtHostInteractiveShape, IMainContext } from 'vs/workbench/api/common/extHost.protocol';
 import { ApiCommand, ApiCommandArgument, ApiCommandResult, ExtHostCommands } from 'vs/workbench/api/common/extHostCommands';
 import { ExtHostDocumentsAndEditors } from 'vs/workbench/api/common/extHostDocumentsAndEditors';
@@ -15,7 +16,8 @@ export class ExtHostInteractive implements ExtHostInteractiveShape {
 		mainContext: IMainContext,
 		private _extHostNotebooks: ExtHostNotebookController,
 		private _textDocumentsAndEditors: ExtHostDocumentsAndEditors,
-		private _commands: ExtHostCommands
+		private _commands: ExtHostCommands,
+		_logService: ILogService
 	) {
 		const openApiCommand = new ApiCommand(
 			'interactive.open',
@@ -28,10 +30,13 @@ export class ExtHostInteractive implements ExtHostInteractiveShape {
 				new ApiCommandArgument('title', 'Interactive editor title', v => true, v => v)
 			],
 			new ApiCommandResult<{ notebookUri: UriComponents; inputUri: UriComponents; notebookEditorId?: string }, { notebookUri: URI; inputUri: URI; notebookEditor?: NotebookEditor }>('Notebook and input URI', (v: { notebookUri: UriComponents; inputUri: UriComponents; notebookEditorId?: string }) => {
+				_logService.debug('[ExtHostInteractive] open iw with notebook editor id', v.notebookEditorId);
 				if (v.notebookEditorId !== undefined) {
 					const editor = this._extHostNotebooks.getEditorById(v.notebookEditorId);
+					_logService.debug('[ExtHostInteractive] notebook editor found', editor.id);
 					return { notebookUri: URI.revive(v.notebookUri), inputUri: URI.revive(v.inputUri), notebookEditor: editor.apiEditor };
 				}
+				_logService.debug('[ExtHostInteractive] notebook editor not found, uris for the interactive document', v.notebookUri, v.inputUri);
 				return { notebookUri: URI.revive(v.notebookUri), inputUri: URI.revive(v.inputUri) };
 			})
 		);
diff --git a/src/vs/workbench/contrib/interactive/browser/interactive.contribution.ts b/src/vs/workbench/contrib/interactive/browser/interactive.contribution.ts
index 8b70cab1d33..f108213e01b 100644
--- a/src/vs/workbench/contrib/interactive/browser/interactive.contribution.ts
+++ b/src/vs/workbench/contrib/interactive/browser/interactive.contribution.ts
@@ -31,6 +31,7 @@ import { SyncDescriptor } from 'vs/platform/instantiation/common/descriptors';
 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 import { IInstantiationService, ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
 import { KeybindingWeight } from 'vs/platform/keybinding/common/keybindingsRegistry';
+import { ILogService } from 'vs/platform/log/common/log';
 import { Registry } from 'vs/platform/registry/common/platform';
 import { contrastBorder, listInactiveSelectionBackground, registerColor, transparent } from 'vs/platform/theme/common/colorRegistry';
 import { registerThemingParticipant } from 'vs/platform/theme/common/themeService';
@@ -344,6 +345,7 @@ registerAction2(class extends Action2 {
 		const editorGroupService = accessor.get(IEditorGroupsService);
 		const historyService = accessor.get(IInteractiveHistoryService);
 		const kernelService = accessor.get(INotebookKernelService);
+		const logService = accessor.get(ILogService);
 		const group = columnToEditorGroup(editorGroupService, typeof showOptions === 'number' ? showOptions : showOptions?.viewColumn);
 		const editorOptions = {
 			activation: EditorActivation.PRESERVE,
@@ -351,9 +353,11 @@ registerAction2(class extends Action2 {
 		};
 
 		if (resource && resource.scheme === Schemas.vscodeInteractive) {
+			logService.debug('Open interactive window from resource:', resource.toString());
 			const resourceUri = URI.revive(resource);
 			const editors = editorService.findEditors(resourceUri).filter(id => id.editor instanceof InteractiveEditorInput && id.editor.resource?.toString() === resourceUri.toString());
 			if (editors.length) {
+				logService.debug('Find existing interactive window:', resource.toString());
 				const editorInput = editors[0].editor as InteractiveEditorInput;
 				const currentGroup = editors[0].groupId;
 				const editor = await editorService.openEditor(editorInput, editorOptions, currentGroup);
@@ -384,6 +388,8 @@ registerAction2(class extends Action2 {
 			counter++;
 		} while (existingNotebookDocument.has(notebookUri.toString()));
 
+		logService.debug('Open new interactive window:', notebookUri.toString(), inputUri.toString());
+
 		if (id) {
 			const allKernels = kernelService.getMatchingKernel({ uri: notebookUri, viewType: 'interactive' }).all;
 			const preferredKernel = allKernels.find(kernel => kernel.id === id);
@@ -397,6 +403,7 @@ registerAction2(class extends Action2 {
 		const editorPane = await editorService.openEditor(editorInput, editorOptions, group);
 		const editorControl = editorPane?.getControl() as { notebookEditor: NotebookEditorWidget | undefined; codeEditor: CodeEditorWidget } | undefined;
 		// Extensions must retain references to these URIs to manipulate the interactive editor
+		logService.debug('New interactive window opened. Notebook editor id', editorControl?.notebookEditor?.getId());
 		return { notebookUri, inputUri, notebookEditorId: editorControl?.notebookEditor?.getId() };
 	}
 });